baber/WOPTO huggingface dataset:
Patent DE-4101308-A1 (DE)
Title: Good running, durable magnetic recording medium - contg. specified silicone as lubricating aid
Inventor: NISHIKAWA YASUO
IPC: G11B5/702
Filed: 1991-01-17
Abstract: A magnetic recording medium is characterised by having a magnetic layer comprising (a) a ferromagnetic powder; (b) a binder; and (c) one or more silicones of formula (I). In (I) X = both Me or Both -OC(O)R; R = branched, satd. 7-24 (pref. 13-21)C hydrocarbon gp.; n = 0-250; and m = 1-100, with m being equal to or greater than n/5. (m+n is pref. above 300). ADVANTAGE - The mediumw is of high density and has excellent running properties and durability over a wide temp. range under moisture, esp. at low temps. Use of (I) other than the silicone of JP-A-5032904 solves the problem of high kinematic friction coeff.
Patent DE-4104363-A1 (DE)
Title: High temp. superconductor film deposition appts. - including-aperture mask for multiple laser spot formation on target
Inventor: ROAS BERNHARD DR
IPC: C23C14/28
Filed: 1991-02-13
Abstract: Appts. for prodn. of a high Tc oxidic superconductor material films on a substrate includes a pulsed laser, a metallic target holder, a device for adjusting the laser beam spot on the target, equipment for positioning the substrate in the target material evaporated by the laser beam and equipment for controlling the oxygen partial pressure and temp. of the process atmos. Novelty is that an aperture mask (3) is placed in the laser beam (2) to form several beam spots (7a-e) on the target (6). In a process for operating the appts target material is deposited on the substrate at elevated temps (pref. 400-900 esp. 600-800 deg.C) and at an oxygen partial pressure of 0.01-10 (pref 0.2-0.8 mbars. ADVANTAGE - Appts. produces high Tc superconductor films having a smooth surface.
Patent DE-4113674-A1 (DE)
Inventor: WUEBBEKE KARL DIPL ING
IPC: F02M55/00
Filed: 1991-04-26
Abstract: The fuel flow path 3, 5 from the injection pump 1 to the injection nozzle 4 is connected to the fuel leakage path 6, 8 from the nozzle through a valve 7 when the pump output pressure falls between injections. The connection between the paths may include a restrictor (9, Fig. 3). <IMAGE>
Patent DE-4114073-A1 (DE)
Title: Voltage stabilising integrated circuit - has transistor module with two linked current sources controlled by integrated circuit
Inventor: NITSCHKE WERNER DIPL PHYS
IPC: G05F1/573
Filed: 1991-04-30
Abstract: The integrated circuit input receives a voltage stabilised by a control system. The other circuit input is supplied with a voltage dependent on the voltage to be stabilised. The circuit output is coupled to a transistor module, incorporated between the supply voltage and earth and transmitting the stabilised voltage. The transistor module contains two coupled current sources, controlled by the integrated circuit (ICI). The latter pref. contains an operational amplifier, whose non-inverting input is coupled to the control system (ST) via a resistor (R1) and to earth via a second resistor (R2). The inverting input is linked to a reference voltage terminal (UR) via a voltage divider (R3,4). USE/ADVANTAGE - Acceleration sensors, e.g. for automatic slip regulation in motor vehicles, acceleration and throttle flap sensors allowing automatic data sensing. Voltage stabilising circuits, with low-cost design for precise voltage source, operating in wide temp. range.
Patent DE-4116602-A1 (DE)
Title: Rear wheel suspension for motorcycle with side car - has transverse link, to guide rear wheel, and carry traction drive element
Inventor: BEINHAUER UWE
IPC: B62M17/00
Filed: 1991-05-22
Abstract: The rear wheel suspension is for motorbicycles with sidecars. It has a steered transverse link (1), guiding a rear wheel (2), and carrying a tractiondrive element (3) for that wheel. The drive element is connected via a joint (4), located in the pivot axis (9) of the transverse link, to a drive (5). The drive is fixed to the vehicle chassis (6), and a transmission (7). USE/ADVANTAGE - Rear wheel suspension for motorcycle with sidecar acts against heeling over when travelling through bends.
Patent DE-4116872-A1 (DE)
Title: Low pressure impregnation of porous solid material - with liq. or gas e.g. tanning agent, dye, pesticide, preserving agent, etc.
Inventor: KILBINGER HANS-JOACHIM
IPC: B05D7/06
Filed: 1991-05-23
Abstract: Liq. and/or gaseous materials are impregnated into porous solid materials by (a) placing the solid material (2) in a closed chamber (1) and evacuating to below atmos. pressure; (b) contacting the solid material (2) with the liq. and/or gaseous material; and (c) bringing the chamber (1) to ambient pressure and removing the solid material. Impregnation is pref. carried out at 10 power(-4)-1 (pref. 10 power (-3)-0.1; esp. 0.005-0.05) bars pressure and at 0-80 (pref. 10-50, esp. 15-40) deg.C.. The impregnant may be in the form of a soln. and/or mist or in the form of a gas which may be liq. at ambient pressure. The solid material may be supported on a grid or sieve and is pref. exposed to the impregnant for 1-120 (pref. 2-60, esp. 5-30) secs.. USE/ADVANTAGE - Claimed uses of the process are tanning or post-tanning of hides, dyeing of leather, pesticidal treatment of wood, preserving dyeing or staining of wood or veneers, dyeing or impregnation of textile materials, dyeing of paper or cardboard and treatment of clay-like or plastics materials. The process allows simple and effective control of impregnation depth in a single step, relatively brief contact treatment.
Patent DE-4119474-A1 (DE)
Title: Ventilator for passenger compartment of vehicle - uses mixing chamber with flap controlled inlet ducts
Inventor: GOLLER KLAUS-WERNER DIPL PHYS
IPC: B60H1/00
Filed: 1991-06-13
Abstract: The heating or air conditioning is for the passenger compartment of a vehicle, having a fresh and cold air channel (5) and a warm air channel (6) leading to a mixing chamber (4). Both of these can be controlled by two or more Venetian blind type flaps (13, 14). During part open conditions air flowing through the cold channel is directed by the flap to the outlet region of the warm channel. Air flow through the warm channel is directed by the flap to the outlet region of the cold channel. ADVANTAGE - System which allows an intensive mixing of airflows without the need for an enlarged mixing chamber.
Patent DE-4125911-A1 (DE)
Title: Contactless sealing arrangement between rotating shaft and housing - with liquid barrier medium containing seal with feed and return channels for barrier liquid
Inventor: BACKES GUENTER
IPC: F16J15/40
Filed: 1991-08-05
Abstract: The contactless sealing arrangement between a rotating shaft subject to an aggressive fluid and a stationary housing, with a liq. barrier medium contg. seal between shaft and housing, has a wall opening before the shaft journal (24) with a bore section (44) greater than the shaft dia., forming a narrow annular gap (61). A radial feed channel (47) for the circulating barrier medium terminates in the bore section. The annular gas (61) is narrower from the feed channel entry (48) towards the shaft journal. The bore section (44) has an internal annular groove (51,52) on each side of the feed channel entry (48), each connected by a radial hole (53,54) to a return channel. The barrier medium passes in an open circuit through the seal. USE/ADVANTAGE - Contactless shaft seal for chemical or electro-chemical processes, eliminates the replacement of contacting sealing elements and prolongs plant service duration.
Patent DE-4127528-A1 (DE)
Title: Laser velocimetry of moving object surface layers in plasma processing - using vibrating mirror whose reflection is correlated with that from object mirror, for evaluation of speed-dependent Doppler shift
Inventor: KOCH ALEXANDER W DR ING
IPC: G01S17/58
Filed: 1991-08-20
Abstract: The beam (5) from the laser (8) passes through a Faraday rotator (12) and beam-splitter (13) and is reflected (14) from a mirror (6) of dia. about 5mm fixed to the moving object (3). Part (15) of the outgoing beam (7) is reflected (17) from the vibrating mirror (16). The beam (14) returned from the object mirror (6) is deflected to a detector (9) where it is superimposed on the other reflection (17). The vibrator (18) is driven (27) by the main oscillator (26). USE/ADVANTAGE - Also for measurements of vibrating machine parts, or vehicles during prodn. Exact measurement w.r.t all three translational and three rotational axes with higher spatial and temporal resolution is possible over wide range of speeds.
Patent DE-4129877-A1 (DE)
Inventor: MUELLER MICHAEL DR
IPC: A61K6/00
Filed: 1991-09-09
Abstract: The invention relates to formulations for use as an adhesive component in the restoration of dental hard substance.
Patent DE-4132477-A1 (DE)
Inventor: HANKE KLAUS
IPC: B22C9/10
Filed: 1991-09-30
Abstract: The invention proposes a core for the fine-casting of carbon steels by the investment casting process, which core has the following composition after firing:   pores in a proportion of preferably 17% by volume and the following solid constituents quartz (= SiO2) with grains of round or polyhedral shape as the remainder constituent   zircon (ZrO2) and alumina (Al2O3) in approximately the same percentage by weight fraction as zircon, but lower than that of quartz (= SiO2) and, in the green, i.e. unfired, state additionally wax and the same proportion in per cent by weight of stearin as binders.
Patent DE-4133270-A1 (DE)
Inventor: BURGDORF MAERTEN DR
IPC: B65D43/02
Filed: 1991-10-08
Abstract: The invention concerns a drum with a lid, made of thermoplastics material and intended to hold, in particular, dangerous liquids or solids. In order to improve the securing of the lid, which is held in place with an overlapping clamping ring (18), special locking elements (52, 54) are fitted on the drum body (10) and/or on the lid (20), the barb-like edges of the locking elements physically interlocking with the upper and/or lower sides (30, 32) of the clamping ring (18).
Patent DE-4139395-A1 (DE)
Title: Solid state ring laser with optical flat beam, laser crystal  optical diode - has polariser, Faraday rotator, and electro-optical modulatable crystal as reciprocal polarisation rotator
Inventor: KROEPKE INGO DIPL PHYS
IPC: H01S3/083
Filed: 1991-11-29
Abstract: The electro-optical modulatable crystal is provided with natural double rotation. The optical axis(10) of the modulator crystal (2) is arranged at an angle of about 0 deg. and 90 deg. to the plane of the ring laser beam course, and is led through the revolving light beam of the ring laser. The laser crystal(1) and the modulator crystal(2) are pressed together, with the same refractive index, directly from the laser crystal and the modulator crystal. A liquid is provided between the laser crystal and the modulator crystal, the refractive index of which corresponds to that of one of the two crystals. ADVANTAGE - Precise and quick amplitude or frequency modulation is possible. Mass prodn. of laser with reproducible quality can be attained.
Patent DE-4142544-A1 (DE)
Title: Planetary gear distributor drive for vehicle - has take=off shaft for rear axle mounted in flanged area of crosspiece
Inventor: FUEHRER GERD
IPC: B60K17/346
Filed: 1991-12-21
Abstract: The distributor drive mechanism is for a vehicle. It has a differential formed as a planetary gear drive with a takeoff shaft for the front axle and a takeoff shaft for the rear axle. The takeoff shaft (9) for the rear axle is mounted in the cross piece (3) of the planetary gear drive (2). A needle bearing (14) is fitted between the takeoff shaft and a flange of the crosspiece. USE/ADVANTAGE - Space saving design for vehicle power drive transmission which gives a small linkage shaft flexing angle.
Patent DE-4200274-A1 (DE)
Title: Knife-holder for use in abattoirs - includes separate holding block for contaminated knives, isolated from main area for storage of sterilised knives
Inventor: VOGT HERMANN DIPL ING
IPC: A47G21/14
Filed: 1992-01-08
Abstract: Knife-holder consists of a housing (1) which contains a perforated support strip (4) for the knives. The novel feature is that a holding block (8) for contaminated knives, with at least one knife-receiving slot (9), is provided at one side of the housing (1), and is sepd. from the area where sterilised knives are stored. The holding block are pref. located on one of the narow sides of the housing, or on an upward extension of its rear wall (7). This rear wall is provided with penetrations, at least in the areea of the housing (1), and these penetrations are arranged in a scale-like pattern with their openings facing upwards. The support strip and block are made of plastic. USE/ADVANTAGE - For holding knives and other tools in abattoirs. Contaminated knives are stored without the risk of their coming into contact with sterilised knives or other tools.
Patent DE-4202463-A1 (DE)
Title: Compositing unit - has filling section followed by rotting and retention section and preparation stage for rapid compositing and continuous humus removal
Inventor: DOLFEN EDMUND DR ING
IPC: C05F17/02
Filed: 1992-01-29
Abstract: Assembly has a cylindrical or conical filling and pre-rotting section (2), tapering slightly downwards, followed by a conical further rotting and retention section (4), tapering downwards, with a material retention system (6). The compost prepn. section (5), at the bottom, has a sieve grid (11). A prepn. system (8) with a rake (9) and cutting disc (10) is pref. above the grid (11). The rake (9) has a rounded, sawtooth or notched upper working surface. The grid (11) has straps across the movement of the cutting disc (10), with an opening width of 5-40mm. The grid (11) can be inserted from outside, and is exchangeable. The material retention unit (6) can also be removed from outside the unit, and exchanged. The assembly has at least one easily removed lower side wall (14) and/or at least one easily removed upper side wall (15). USE/ADVANTAGE - The unit is for the conversion of sepd. organic matter, free of hazardous material, into humus with mixing to give a suitable C/N ratio under suitable conditions of temp., moisture, pH value and air movement. It gives a rapid compost action for the finished humus to be extracted continuously, and without new material becoming mixed with previously added vegetable waste.
Patent DE-4203679-A1 (DE)
Title: Conveyor producing single stream of bottles from several such streams - has endless supply conveyor and conforming discharge conveyor to produce continuous evenly spaced flow
Inventor: FIWEK WOLFGANG
IPC: B65G47/68
Filed: 1992-02-08
Abstract: The receiving capacity of the single stream (D4) of bottles and the capacity of the combined streams (A1,B2,C3) leading to same are matched with each other so that a single stream (D4) of bottles is produced with even spacing. The container streams are fed from a bottle supply made up of different amounts of bottles associated with the individual streams. The endless supply conveyors (A,B,C) and endless discharge conveyor (D) are provided with bottle pick-ups (T) and are set spaced from each other so that after passing all the supply conveyors all the bottle pick-ups of the discharge conveyors are fitted continuously with bottles at even spacings. USE/ADVANTAGE - Even relatively light reusable plastics bottles which are moved along hanging by their necks can be processed for systematic filling.
Patent DE-4208209-A1 (DE)
Inventor: WEHLE JOSEF
IPC: B41F30/04
Filed: 1992-03-14
Abstract: The invention relates to a device for tensioning a blanket (6) on transfer drums (1) of sheet printing machines, in which the blanket is held at one end in a cylinder gap and the other end is attached to a tilting segment (8), the blanket being tensioned by the tilting segment being closed, and in which simple attachment or exchange of a blanket is also possible within the machine. 
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Patent DE-4214475-A1 (DE)
Title: Method and installation for joining thin plates - with punch force and displacement monitored during the entire joining process
IPC: B21D39/03
Filed: 1992-05-06
Abstract: The method concerns joining of thin plates and metal sheets lying on top of one another. Parts of the plane surface of the plates to be joined are jointly pressed through by means of the combined action of a punch (8) and a die (5). The resulting protrusions are subsequently flattened by pressure with or without cuts produced in the plates at the joint. The method is characterised by the fact that the punch force and displacement are monitored during the entire joining process. The installation is characterised by the presence of a digital or analogue displacement measuring device and at least one force measuring device.$ USE/ADVANTAGE - In the motor car industry, for example. In contrast to known alternatives, it allows faulty joints to be detected immediately in the process of their formation.
Patent DE-4214800-A1 (DE)
Title: Four-stroke cycle IC engine - has cylinder head contg. two inlet valves and two exhaust valves arranged in plane parallel to camshaft and operated by rocker levers
IPC: F01M9/10
Filed: 1992-05-04
Abstract: The inlet valve rocker lever (9) has two bearing positions and the exhaust valve rocker lever (10) has one bearing position. The bearing positions of the inlet valve rocker lever (9) are connected by an upper stirrup and a lower stirrup and the exhaust valve rocker lever (10) is arranged between the bearing positions and the stirrups. The exhaust valve rocker lever (10) has two exhaust forks, which have their origin in the individual bearing position, and which engage around an injection valve centrally arranged and parallel to the cylinder axis. USE/ADVANTAGE - A rigid valve drive for an IC engine, which produces a low noise level and works accurately.
Patent DE-4215029-A1 (DE)
Title: Non-combustible insulating fluid used as induction appts. coolant - contains fluorocarbon liq. as insulator, and emulsifier
Inventor: NAKAGAMI YOSHITAKE
IPC: H01B3/24
Filed: 1992-05-07
Abstract: Non-combustible insulating fluid (I) contains at least 25 vol.% fluorocarbon liquid as insulating fluid, and 1-3 vol.% emulsifier. Also claimed is a stationary induction appts. The induction appts. comprises a tank (4) for the insulating fluid (5); a stationary induction appts. (1, 2, 3); a pump (11) arranged outside the tank (4) for introducing the fluid (5); a first fluid pipe (9A) for introducing the fluid in the tank (4) to a suction opening of the pump; a second fluid pipe (9B) for introducing the fluid (5) from the outlet of the pump to the inside of the tank (4); and a stirrer (10) connected at the middle or end of the first (9A) or second (9B) pipe to stir the fluid (5). A condenser (7) is also connected at the middle or end of the pipe (9A) or pipe (9B). USE/ADVANTAGE - The induction appts., e.g. voltage transformer or transducer, uses (I) as coolant. (I) is easier and cheaper to produce.
Patent DE-4223914-A1 (DE)
Title: Vertical power component manufacturing method - interrupting epitaxial growth of lightly-doped semiconductor drift layer for implantation of non-doped ions
Inventor: GASSEL HELMUT DIPL PHYS
IPC: H01L29/861
Filed: 1992-06-30
Abstract: The vertical power component has a lightly-doped epitaxially grown semiconductor layer as a drift line. The minority carrier lifetime is reduced by recombination centres in the drift line. The epitaxial growth of the lightly-doped semiconductor layer is interrupted to implant non-doped ions in the epitaxially grown layer. After the interruption the epitaxial growth of the lightly-doped semiconductor layer is completed. USE/ADVANTAGE - For mfr. of HVDMOS transistor, IGBT, diode etc. Reduces minority carrier lifetime with currently available equipment. Can be used for intelligent power semiconductors.
Patent DE-4224167-A1 (DE)
Title: Retainer for two catheter connection of one or more vein catheters - comprises flat carrier made up of two detachable parallel strips and having clamps and channel on its upper side which accommodates connection
Inventor: SCHUSTER ALEXANDER
IPC: A61M5/14
Filed: 1992-07-22
Abstract: The retainer comprises a flat carrier (10) with at least one clamp (20-20f) per catheter connection on its upper side. With the connection installed, at least one section of the one connecting tap surrounding surface is partly engaged and fixed like a releasable connection. Each connection is retained by a clamp and an elongated channel on the upper side of the carrier. The carrier is made up of two detachable strips (11) running parallel to each other. USE/ADVANTAGE - For hospital patients. Is simple to use, is produced economically, both connections can be held on a common carrier.
Patent DE-4225892-A1 (DE)
Title: Defibrillator with diode protection for capacitor-charging circuit - incorporates additional diodes with faster switching capability in series on secondary side of ultrasonic-frequency transformer
Inventor: KLASEN MICHEL
IPC: A61N1/39
Filed: 1992-08-05
Abstract: The charging circuit is protected by a high-voltage flyback diode (16) in parallel with the storage capacitor (2) against negative phasing of the defibrillation pulse connected by a switching device (4) through a choke (3) to external body electrodes (8, 9). To protect the voltage-doubling circuit (5) the sec. winding (18) of its transformer (19) is AC-coupled (22) to the junction (17) of two further diodes (14, 15) with higher breakdown threshold voltage, connected in series across the capacitor (2). A transient increase in voltage across the slower flyback diode cannot consequently lead to a destructive current through these diodes. ADVANTAGE - The circuit operating at around 30 kHz to reduce charging time and transformer wt. is protected against abrupt voltage increase due to short-circuit defibrillation.
Patent DE-4227679-A1 (DE)
Title: Optical plug connector element for coupling optical fibres - has stop element on pin pressed against stop element on connector housing by spring
Inventor: BERKARD WILFRIED
IPC: G02B6/38
Filed: 1992-08-21
Abstract: The optical plug connector element includes a plug pin (4) which can be pushed into a connector housing (1,2,3) against a spring (8). The pin has a central bore hole (11) for a accommodating an optical fibre. A stop element (6), which projects radially outwards, is arranged on the rear end of the plug pin. The stop element is pressed in an axial direction against a corresponding stop element (7) on the plug connector housing by the spring. ADVANTAGE - Prevents jamming of the plug connector pin.
Patent DE-4228702-A1 (DE)
Title: NC controlled machine tool system - generates and stores direction of motion symbols which can be accessed and provided as direct display together with data
Inventor: IWATA YOSHIFUMI
IPC: G05B19/4061
Filed: 1992-08-28
Abstract: The workpiece (16) can be rotated (C) while multi-station tool holders (17, 18) may be indexed and moved (X1, X2, Y1, Z2) to remove metal. The drives (7) of the machine receive commands from an NC controller (1) that is programmed using data from a machine control unit (5). A memory (2) stores data and has a section to store axis direction of motor data (12). Coupled to the NC controller is an axis direction generator (11) and a unit (13) generating an appropriate symbol stored in a memory (13). For each coordinate condition within the cycle a display (4) indicates the direction symbols alongside the parameters. ADVANTAGE - Provides display of direction of axes motion in symbolic form.